DNA克隆
参考答案：
把鉴定和筛选出的含有重组体的受体细胞进行纯系增殖的过程。
由智能网平台进行的话单一次批价，计费侧还要对此类话单进行一次批价复核。
Although he hasn't any formal qualifications, Betas _____ to do well for himself.
A．managed
B．succeeded
C．arranged
D．convinced
